Sony HCD-HPX7 Service Manual - Page 80

80

HCD-HPX7

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IC Pin Function Description

MAIN BOARD IC306 M3062CMEN-A02FPU0 (SYSTEM CONTROLLER)

Pin No.

Pin Name

I/O

Description

1

CD DISCSENS 2

I

DISC 4, 5 and DISC (+1) detect signal input

2

CD DISCSENS 1

I

DISC 1 to 3 detect signal input

3

STBY LED

O

LED drive signal output terminal (power)

4

SIRCS IN/WAKE

I

SIRCS signal input terminal

5, 6

VOL A, VOL B

I

Jog dial pulse input terminal (volume)

7

FLSTB

O

Serial data read strobe signal output to the FL/LED driver

8

BYTE

I

External data bus width select signal input terminal (fixed “L”)

9

CNVSS

—

Ground terminal

10

XCIN

I

Sub system clock input terminal (32.768 kHz)

11

XCOUT

O

Sub system clock output terminal (32.768 kHz)

System reset signal input terminal

“L”: reset

12

RESET

I

For several hundreds msec. after the power supply rises, “L” is input, then it

changes to “H”

13

XOUT

O

Main system clock output terminal (16 MHz)

14

VSS

—

Ground terminal

15

XIN

I

Main system clock input terminal (16 MHz)

16

VCC

—

Power supply terminal (+3.3V)

17

NMI

I

Non-maskable interrupt signal input terminal

Not used

18

RDS-CLK

I

RDS serial data transfer clock signal input terminal (only for AEP, UK models)

19

CD SCOR

I

Subcode Q data request signal input terminal

20

AC-CUT

I

Power down detection signal input terminal

“L”: power down

21

FL CLK

O

Serial data transfer clock signal output to the FL/LED driver

22

CD XRST

O

System reset signal output to the CD servo block

23

CD XLT

O

Latch pulse signal output to the CD servo block

24

CD SENS

I

Internal status (SENSE) input from the CD DSP

25

CD MILP

O

Serial data latch pulse output to the MP3 decoder

26

CD MICS

O

Chip select signal output to the MP3 decoder

27

CD MP3REQ

I

Data transfer request signal input from the MP3 decoder

28

CD MP3STB

O

Standby signal output to the MP3 decoder

29

IICCLK

I/O

IIC data transfer clock signal input and output

Not used

30

IICDATA

I/O

IIC two-way data bus

Not used

31

NC

O

Not used

32

CD MIACK

I

Acknowledge signal input from the MP3 decoder

33

CD MP3RST

O

Reset signal output to the MP3 decoder

34

CD CLK

O

Serial data transfer clock signal output to the CD DSP

35

CD MIDIO

O

Serial data output to the MP3 decoder

36

CD MIDIN

I

Serial data input from the MP3 decoder

37

CD MICK

O

Serial data transfer clock signal output to the MP3 decoder

38

CD DATA

O

Serial data output to the CD DSP

39

CD AMUTE

O

CD muting on/off control signal output terminal

40

ELV E3/TRE A

I

ELV pulse input from the rotary encoder

41

ELV E2/TRE B

I

ELV dial pulse input from the rotary encoder

42

ELV E1/BASS A

I


43

ELV E0/BASS B

I


44

SW4 (8CM)

I

CD disc size detection (8cm) signal input terminal

45

SW3 (PUSH-CLOSE)

I

CD push-close switch input terminal

46

SW2-1 (CLOSE)

I

CD close switch input terminal

Section	Page
COVER	1
TABLE OF CONTENTS	2
1. SERVICING NOTES	4
2. GENERAL	5
3. DISASSEMBLY	7
3-1. DISASSEMBLY FLOW-1	7
3-2. DISASSEMBLY FLOW-2	8
3-3. OPTICAL PICK-UP BLOCK	9
3-4. SIDE PLATE (L) (R), TOP PANEL SECTION	10
3-5. MECHANICAL DECK	11
3-6. FRONT PANEL SECTION	12
3-7. PANEL (1), (2) BOARD, HEADPHONE BOARD	12
3-8. TUNER (FM/AM), DC FAN	13
3-9. MAIN BOARD	14
3-10. REAR PANEL SECTION	14
3-11. AMP BOARD, SWITCHING REGULATOR	15
3-12. POWER BOARD	15
3-13. CD MECHANISM DECK (CDM82A)	16
3-14. PLATE (COVER TOP)	17
3-15. TOP SECTION	17
3-16. ARM SECTION	18
3-17. CD MECHANISM DECK SECTION	19
3-18. SUB GEAR (2 STEP), SUB SLIDER ASSY	20
3-19. ARM (R)	21
3-20. GEAR (STOCK PLANET) (RIGHT)	22
3-21. LEVER (SUB GEAR BACK L)	22
3-22. ARM (L)	23
3-23. GEAR (STOCK ROT LONG) (LEFT)	24
3-24. GEAR (STOCK ROT SHORT) (RIGHT)	24
3-25. STOCKER (1) ASSY TO STOCKER (5) ASSY	25
3-26. SPR-E (ROLLER SLIDER UPPER) (TOP SECTION)	26
3-27. RUBBER ROLLER (TOP SECTION)	26
3-28. LOD MOTOR	27
3-29. SLIDER (PUSH-POPUP)	27
3-30. ROTARY ENCODER	28
3-31. ASSEMBLING OF THE ROTARY ENCODER	29
3-32. ELV MOTOR	30
3-33. CHASSIS (TOP), CHASSIS (BOTTOM)	31
3-34. LEVER (LOADING R, LOADING L)	32
3-35. DISC STOP LEVER	33
3-36. DRIVER BOARD	33
3-37. CD BOARD	34
3-38. OPTICAL PICK-UP (KSM-215DCP)	34
3-39. BASE UNIT SECTION	35
3-40. LEVER (BU LOCK)	35
3-41. GEAR (IDL-B)	36
3-42. GEAR (IDL-C)	36
3-43. SPR-E (TAKO-BACK)	37
3-44. PLATE (PUSH) ASSY	38
3-45. SPR-P (LOCK)	39
4. ASSEMBLY	40
4-1. ASSEMBLY FLOW	40
4-2. ASSEMBLING OF THE STOCKER SECTION	41
4-3. ASSEMBLING OF THE GEAR (STOCK ROT SHORT) (RIGHT)	42
4-4. ASSEMBLING OF THE GEAR (STOCK ROT LONG) (LEFT)	43
4-5. CONFIRMING THE ASSEMBLING OF THE STOCKER SECTION	44
4-6. ASSEMBLING OF THE GEAR (STOCK ROTARY LEFT)	45
4-7. ASSEMBLING OF THE GEAR (STOCK ROTARY RIGHT)	46
4-8. ASSEMBLING OF THE LEVER (SUB GEAR BACK L)	47
4-9. ASSEMBLING OF THE GEAR (SUB GEAR PIN RIGHT)	48
4-10. ASSEMBLING OF THE LEVER (SUB GEAR BACK R)	49
4-11. ASSEMBLING OF THE SUB GEAR (IDLER)	50
4-12. ASSEMBLING OF THE SUB GEAR (2 STEP)	51
4-13. CONFIRMING THE ASSEMBLING OF THE ARM SECTION	52
5. TEST MODE	53
6. ELECTICAL ADJUSTMENTS	55
7. DIAGRAMS	57
7-1. BLOCK DIAGRAM — CD SERVO SECTION —	59
7-2. BLOCK DIAGRAM — MAIN SECTION —	60
7-3. BLOCK DIAGRAM — PANEL/POWER SUPPLY SECTION —	61
7-4. PRINTED WIRING BOARD — CD BOARD —	62
7-5. SCHEMATIC DIAGRAM — CD BOARD —	63
7-6. PRINTED WIRING BOARD — CD MECHANISM SECTION —	64
7-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION —	65
7-8. PRINTED WIRING BOARD — MAIN BOARD —	66
7-9. SCHEMATIC DIAGRAM — MAIN BOARD (1/3) —	67
7-10. SCHEMATIC DIAGRAM — MAIN BOARD (2/3) —	68
7-11. SCHEMATIC DIAGRAM — MAIN BOARD (3/3) —	69
7-12. PRINTED WIRING BOARD — AMP BOARD —	70
7-13. SCHEMATIC DIAGRAM — AMP BOARD —	71
7-14. PRINTED WIRING BOARD — PANEL SECTION —	72
7-15. SCHEMATIC DIAGRAM — PANEL SECTION —	73
7-16. PRINTED WIRING BOARD — POWER BOARD —	74
7-17. SCHEMATIC DIAGRAM — POWER BOARD —	75
8. EXPLODED VIEWS	83
8-1. SIDE PLATE, TOP PANEL SECTION	83
8-2. FRONT PANEL SECTION	84
8-3. CHASSIS SECTION-1	85
8-4. CHASSIS SECTION-2	86
8-5. CD MECHANISM DECK SECTION-1 (CDM82A)	87
8-6. CD MECHANISM DECK SECTION-2 (CDM82A)	88
8-7. CD MECHANISM DECK SECTION-3 (CDM82A)	89
8-8. CD MECHANISM DECK SECTION-4 (CDM82A)	90
8-9. CD MECHANISM DECK SECTION-5 (CDM82A)	91
8-10. CD MECHANISM DECK SECTION-6 (CDM82A)	92
8-11. CD MECHANISM DECK SECTION-7 (CDM82A)	93
8-12. CD MECHANISM DECK SECTION-8 (CDM82A)	94
8-13. CD MECHANISM DECK SECTION-9 (CDM82A)	95
8-14. CD MECHANISM DECK SECTION-10 (CDM82A)	96
8-15. BASE UNIT SECTION (BU-F1BD81A)	97
9. ELECTRICAL PARTS LIST	98
AMP	98
CD	99
CONNECTOR	100
DISC ADDRESS SW	101
DRIVER	101
ELV MOTOR	101
HEADPHONE	101
MAIN	101
MOTOR LOD	105
PANEL (1)	105
PANEL (2)	106
POWER	107
SW (A)	107
SW (B)	107
SW (C)	107
SW (D)	107
THERMISTER	108

Sony HCD-HPX7 Service Manual - Page 80

IC Pin Function Description, MAIN BOARD IC306 M3062CMEN-A02FPU0 SYSTEM CONTROLLER, Pin No., Pin Name

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